.time-ruler { position: relative; height: 32px; border-bottom: 1px solid #ddd; background: #f7f7f7; }
.time-ruler__tick { position: absolute; top: 0; height: 100%; border-left: 1px solid #ddd; }
.time-ruler__label { position: absolute; top: 6px; left: 4px; font-size: 12px; color: #555; white-space: nowrap; }